<?php

class Contract extends mfBaseModel {
  private $owner;
  private $creator;
  private $product;
  private $orderproduct;
  private $termination;
  private $sla;
  private $editor;
  
  
  public function getProperty($name) {
    if($this->$name == null) {
      
      if(!$this->id) {
        return null;
      }
      
      if($name == "owner") {
        $this->owner = mfValuecache::singleton()->get("mfObjectmodel-Address-".$this->owner_id);
        if($this->owner === null) {
          $this->owner = new Address($this->owner_id);
          if($this->owner->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Address-".$this->owner_id, $this->owner);
          }
        }
        return $this->owner;
      }
      
      if($name == "billingaddress") {
        $this->billingaddress = mfValuecache::singleton()->get("mfObjectmodel-Address-".$this->billingaddress_id);
        if($this->billingaddress === null) {
          $this->billingaddress = new Address($this->billingaddress_id);
          if($this->billingaddress->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Address-".$this->billingaddress_id, $this->billingaddress);
          }
        }
        return $this->billingaddress;
      }
      
      if($name == "product") {
        $this->product = mfValuecache::singleton()->get("mfObjectmodel-Product-".$this->product_id);
        if($this->product === null) {
          $this->product = new Product($this->product_id);
          if($this->product->id) {
            mfValuecache::singleton()->set("mfObjectmodel-Product-".$this->product_id, $this->product);
          }
        }
        return $this->product;
      }
      
      if($name == "orderproduct") {
        $this->orderproduct = mfValuecache::singleton()->get("mfObjectmodel-OrderProduct-".$this->orderproduct_id);
        if($this->orderproduct === null) {
          $this->orderproduct = new OrderProduct($this->orderproduct_id);
          if($this->orderproduct->id) {
            mfValuecache::singleton()->set("mfObjectmodel-OrderProduct-".$this->orderproduct_id, $this->orderproduct);
          }
        }
        return $this->orderproduct;
      }
      
      if($name == "creator") {
        $this->creator = mfValuecache::singleton()->get("Worker-id-".$this->create_by);
        if($this->creator === null) {
          $this->creator = new User($this->create_by);
          if($this->creator->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->create_by, $this->creator);
          }
        }
        return $this->creator;
      }
      
      if($name == "editor") {
        $this->editor = mfValuecache::singleton()->get("Worker-id-".$this->edit_by);
        if($this->editor === null) {
          $this->editor = new User($this->edit_by);
          if($this->editor->id) {
            mfValuecache::singleton()->set("Worker-id-".$this->edit_by, $this->editor);
          }
        }
        return $this->editor;
      }
      
      
      $classname = ucfirst($name);
      $idfield = $name."_id";
      $this->$name = mfValuecache::singleton()->get("mfObjectmodel-$name-".$this->$idfield);
      if(!$this->$name) {
        $this->$name = new $classname($this->$idfield);
      }
      
      if($this->$name->id) {
        mfValuecache::singleton()->set("mfObjectmodel-$name-".$this->$name->id, $this->$name);
        return $this->$name;
      } else {
        return null;
      }
      
    }
    
    return $this->$name;
  }
  
}